<!-- 左侧导航start -->
<div class="col-sm-3 col-md-2 sidebar">
  <ul class="nav nav-sidebar">
    <li class="active" id="index"><a href="${request.contextPath}">全部内容</a></li>
    <li id="pub"><a href="${request.contextPath}/content/pub.do">发布内容</a></li>
  </ul>
</div>
<!-- 左侧导航end -->